Apparatus for isolating a testing zone in a bore hole screen casing
Patent
·
OSTI ID:6572423
This patent describes an apparatus for isolating a testing zone in a bore hole screen casing. It comprises: lower plug means selectively placeable within the screen casing at a first selected point along the longitudinal length thereof for fluidly sealing the screen casing thereat and preventing fluid flow upwardly or downwardly through the screen casing; upper plug means being detached from the lower plug means and selectively placeable independent of the lower plug means within the screen casing at a second selected point along the longitudinal length thereof above the lower plug means for fluidly sealing the screen casing thereat and preventing fluid flow upwardly or downwardly through the screen casing, whereby an isolated test zone is defined between the lower and upper plug means. The upper plug means having a bore therethrough in communication with the defined isolated test zone; and fluid conduit means.
- Assignee:
- NOV; EDB-90-152785; NOV-90-034087
- Patent Number(s):
- US 4942923; A
- Application Number:
- PPN: US s 7-347504
- OSTI ID:
- 6572423
- Country of Publication:
- United States
- Language:
- English
Similar Records
Oil well sucker rod shock absorber
Selective casing bore receptacle
Landing nipple and plug
Patent
·
Mon Feb 17 23:00:00 EST 1986
·
OSTI ID:6037272
Selective casing bore receptacle
Patent
·
Mon Apr 01 23:00:00 EST 1985
·
OSTI ID:5338443
Landing nipple and plug
Patent
·
Mon Jan 09 23:00:00 EST 1989
·
OSTI ID:6314121